android.text.Editable#insert ( )源码实例Demo

下面列出了android.text.Editable#insert ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： RichEditText 文件： RichEditText.java

/**
 * 
 * @param bitmap
 * @param filePath
 * @param start
 * @param end
 */
public void addImage(Bitmap bitmap, String filePath,int start,int end) {
	Log.i("imgpath", filePath);
	String pathTag = "<img src=\"" + filePath + "\"/>";
	SpannableString spanString = new SpannableString(pathTag);
	// 获取屏幕的宽高
	int paddingLeft = getPaddingLeft();
	int paddingRight = getPaddingRight();
	int bmWidth = bitmap.getWidth();//图片高度
	int bmHeight = bitmap.getHeight();//图片宽度
	int zoomWidth =  getWidth() - (paddingLeft + paddingRight);
	int zoomHeight = (int) (((float)zoomWidth / (float)bmWidth) * bmHeight);
	Bitmap newBitmap = zoomImage(bitmap, zoomWidth,zoomHeight);
	ImageSpan imgSpan = new ImageSpan(mContext, newBitmap);
	spanString.setSpan(imgSpan, 0, pathTag.length(),
			Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
	Editable editable = this.getText(); // 获取edittext内容
	editable.delete(start, end);//删除
	editable.insert(start, spanString); // 设置spanString要添加的位置
}

源代码2 项目： android-discourse 文件： EditorFragment.java

private void insertMarkdownPicture(String des, String url) {
    final EditText et = mContentET;
    Editable editable = et.getText();
    int start = et.getSelectionStart();
    int desL = des.length();
    int sbL = 1;
    // 当弹出对话框的时候， 文本的选择状态会消失。
    if (mUploadSelection.isEmpty()) {
        editable.insert(start, String.format(MARKDOWN_IMG, des, url));
    } else {
        start = mUploadSelection.start;
        int end = mUploadSelection.end;
        editable.replace(start, end, String.format(MARKDOWN_IMG, des, url));
        // editable.insert(start, SB);
        // editable.insert(start + desL + sbL, SB2);
        // editable.insert(start + desL + sbL + sbL, "(" + url + ")");
        et.setSelection(start + sbL, start + sbL + desL);
    }
}

源代码3 项目： Ruisi 文件： NewPostActivity.java

private void handleInsert(String s) {
    int start = edContent.getSelectionStart();
    int end = edContent.getSelectionEnd();
    int p = s.indexOf("[/");//相对于要插入的文本光标所在位置

    Editable edit = edContent.getEditableText();//获取EditText的文字

    if (start < 0 || start >= edit.length()) {
        edit.append(s);
    } else if (start != end && start > 0 && start < end && p > 0) {
        edit.insert(start, s.substring(0, p));//插入bbcode标签开始部分
        end = end + p;
        edit.insert(end, s.substring(p));//插入bbcode标签结束部分
        p = end - start;
    } else {
        edit.insert(start, s);//光标所在位置插入文字
    }

    if (p > 0) {
        edContent.setSelection(start + p);
    }
}

源代码4 项目： Conversations 文件： EditMessage.java

public void insertAsQuote(String text) {
    text = text.replaceAll("(\n *){2,}", "\n").replaceAll("(^|\n)", "$1> ").replaceAll("\n$", "");
    Editable editable = getEditableText();
    int position = getSelectionEnd();
    if (position == -1) position = editable.length();
    if (position > 0 && editable.charAt(position - 1) != '\n') {
        editable.insert(position++, "\n");
    }
    editable.insert(position, text);
    position += text.length();
    editable.insert(position++, "\n");
    if (position < editable.length() && editable.charAt(position) != '\n') {
        editable.insert(position, "\n");
    }
    setSelection(position);
}

源代码5 项目： javaide 文件： MethodDescription.java

@Override
public void onSelectThis(@NonNull IEditAreaView editorView) {
    try {
        final int length = getIncomplete().length();
        final int start = editorView.getSelectionStart() - length;

        Editable editable = editorView.getEditableText();
        editable.delete(start, editorView.getSelectionStart());
        String simpleName = JavaUtil.getSimpleName(mMethodName);
        String text = simpleName + "()" + (shouldAddSemicolon(getEditor()) ? ";" : "");
        if (getParameterTypes().size() > 0) {
            //Should end method?
            editable.insert(start, text);
            editorView.setSelection(start + simpleName.length() + 1/*(*/);
        } else {
            editable.insert(start, text);
            editorView.setSelection(start + text.length());
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

源代码6 项目： Pix-Art-Messenger 文件： ConversationFragment.java

private void highlightInConference(String nick) {
    final Editable editable = this.binding.textinput.getText();
    String oldString = editable.toString().trim();
    final int pos = this.binding.textinput.getSelectionStart();
    if (oldString.isEmpty() || pos == 0) {
        editable.insert(0, nick + ": ");
    } else {
        final char before = editable.charAt(pos - 1);
        final char after = editable.length() > pos ? editable.charAt(pos) : '\0';
        if (before == '\n') {
            editable.insert(pos, nick + ": ");
        } else {
            if (pos > 2 && editable.subSequence(pos - 2, pos).toString().equals(": ")) {
                if (NickValidityChecker.check(conversation, Arrays.asList(editable.subSequence(0, pos - 2).toString().split(", ")))) {
                    editable.insert(pos - 2, ", " + nick);
                    return;
                }
            }
            editable.insert(pos, (Character.isWhitespace(before) ? "" : " ") + nick + (Character.isWhitespace(after) ? "" : " "));
            if (Character.isWhitespace(after)) {
                this.binding.textinput.setSelection(this.binding.textinput.getSelectionStart() + 1);
            }
        }
    }
}

源代码7 项目： Conversations 文件： ConversationFragment.java

private void highlightInConference(String nick) {
    final Editable editable = this.binding.textinput.getText();
    String oldString = editable.toString().trim();
    final int pos = this.binding.textinput.getSelectionStart();
    if (oldString.isEmpty() || pos == 0) {
        editable.insert(0, nick + ": ");
    } else {
        final char before = editable.charAt(pos - 1);
        final char after = editable.length() > pos ? editable.charAt(pos) : '\0';
        if (before == '\n') {
            editable.insert(pos, nick + ": ");
        } else {
            if (pos > 2 && editable.subSequence(pos - 2, pos).toString().equals(": ")) {
                if (NickValidityChecker.check(conversation, Arrays.asList(editable.subSequence(0, pos - 2).toString().split(", ")))) {
                    editable.insert(pos - 2, ", " + nick);
                    return;
                }
            }
            editable.insert(pos, (Character.isWhitespace(before) ? "" : " ") + nick + (Character.isWhitespace(after) ? "" : " "));
            if (Character.isWhitespace(after)) {
                this.binding.textinput.setSelection(this.binding.textinput.getSelectionStart() + 1);
            }
        }
    }
}

源代码8 项目： RichEditor 文件： RichTextWatcher.java

@Override
public void afterTextChanged(Editable s) {
    if (s.toString().length() < beforeEditContentLen) {
        // 说明删除了字符
        if (s.length() > 0) {
            handleDelete();
        }
        lastEditTextContent = s.toString();
        return;
    }

    int cursorPos = mEditText.getSelectionStart();
    String editContent = s.toString();
    // 如果是删除imageSpan，然后再执行undo的时候，不要在插入'\n'，否则可能导致死循环
    if (needInsertBreakLinePosAfterImage != -1 &&
            cursorPos > 0 && editContent.charAt(cursorPos - 1) != '\n'
            && !isInUndo(lastEditTextContent, editContent)) {
        //在imageSpan后面输入了文字（除了'\n'），则需要换行
        s.insert(needInsertBreakLinePosAfterImage, "\n");
    }

    if (isNeedInsertBreakLineBeforeImage && cursorPos >= 0) {
        // 在ImageSpan前输入回车, 则需要将光标移动到上一个行
        // 在ImageSpan前输入文字（除了'\n'），则需要先换行，在将光标移动到上一行
        if (cursorPos > 0 && editContent.charAt(cursorPos - 1) != '\n') {
            s.insert(cursorPos, "\n");
        }
        mEditText.setSelection(cursorPos);
    }

    if (cursorPos > 0 && editContent.charAt(cursorPos - 1) == '\n' && !editContent.equals(lastEditTextContent)) {
        // 输入了回车, 需要断开上一行的样式（包括inline和block）
        lastEditTextContent = s.toString();
        changeLastBlockOrInlineSpanFlag();
    }

    lastEditTextContent = s.toString();
}

源代码9 项目： emoji 文件： ChatActivity.java

@Override
	public void onEmoticonTap(String drawableId) {
		Editable editable = mChatEditorTxt.getText();
		int index = mChatEditorTxt.getSelectionEnd();
		String emo = EmojiParser.getInstance(this).convertToUnicode(drawableId);
		SpannableStringBuilder builder = new SpannableStringBuilder(emo);
		int resId = getResources().getIdentifier("emoji_" + drawableId, "drawable", getPackageName());
		Drawable d = getResources().getDrawable(resId);
		d.setBounds(0, 0, 30, 30);
		ImageSpan span = new ImageSpan(d);
		builder.setSpan(span, 0, emo.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
		if (index < mChatEditorTxt.length()) {
			editable.insert(index, builder);
		}else {
			editable.append(builder);
		}
		mChatEditorTxt.setSelection(index + emo.length());
		
		
//		drawableSrc = "emoji_" + drawableId;
//		ImageGetter imageGetter = new ImageGetter() {
//			public Drawable getDrawable(String source) {
//				int id = ChatActivity.this.getResources().getIdentifier(source, "drawable", getPackageName());
//				Drawable d = ChatActivity.this.getResources().getDrawable(id);
//				d.setBounds(0, 0, 24, 24);
//				return d;
//			}
//		};
//		CharSequence cs1 = Html.fromHtml("<img src='" + drawableSrc + "'/>", imageGetter, null);
//		int index = mChatEditorTxt.getSelectionStart();
//		Editable etb = mChatEditorTxt.getText();
//		int length = etb.length();
//		if (index < length) {
//			etb.insert(index, cs1);
//		} else {
//			mChatEditorTxt.append(cs1);
//		}
//		mChatEditorTxt.setSelection(index + 1);
	}

源代码10 项目： SuntimesWidget 文件： PaddingChooser.java

private void insertStartBracket(Editable editable)
{
    if (editable.charAt(0) != brackets[0])
    {
        editable.insert(0, brackets[0]+"");
    }
}

源代码11 项目： SuntimesWidget 文件： ColorChooser.java

@Override
public void afterTextChanged(Editable editable)
{
    if (isRunning || isRemoving)
        return;
    isRunning = true;

    String text = editable.toString();             // should consist of [#][0-9][a-f]
    for (int j=text.length()-1; j>=0; j--)
    {
        if (!inputSet.contains(text.charAt(j)))
        {
            editable.delete(j, j+1);
        }
    }

    text = editable.toString();                   // should start with a #
    int i = text.indexOf('#');
    if (i != -1)
    {
        editable.delete(i, i + 1);
    }
    editable.insert(0, "#");

    if (editable.length() > 8)                   // should be no longer than 8
    {
        editable.delete(9, editable.length());
    }

    text = editable.toString();
    String toCaps = text.toUpperCase(Locale.US);
    editable.clear();
    editable.append(toCaps);

    isRunning = false;
}

源代码12 项目： Study_Android_Demo 文件： EaseChatPrimaryMenu.java

@Override
public void onTextInsert(CharSequence text) {
   int start = editText.getSelectionStart();
   Editable editable = editText.getEditableText();
   editable.insert(start, text);
   setModeKeyboard();
}

源代码13 项目： o2oa 文件： SimpleCommonUtils.java

public static EmoticonClickListener getCommonEmoticonClickListener(final EditText editText) {
        return new EmoticonClickListener() {
            @Override
            public void onEmoticonClick(Object o, int actionType, boolean isDelBtn) {
                if (isDelBtn) {
                    SimpleCommonUtils.delClick(editText);
                } else {
                    if (o == null) {
                        return;
                    }
                    if (actionType == Constants.EMOTICON_CLICK_TEXT) {
                        String content = null;
//                        if (o instanceof EmojiBean) {
//                            content = ((EmojiBean) o).emoji;
//                        } else
                            if (o instanceof EmoticonEntity) {
                            content = ((EmoticonEntity) o).getContent();
                        }

                        if (TextUtils.isEmpty(content)) {
                            return;
                        }
                        int index = editText.getSelectionStart();
                        Editable editable = editText.getText();
                        editable.insert(index, content);
                    }
                }
            }
        };
    }

源代码14 项目： AndroidChromium 文件： CreditCardNumberFormattingTextWatcher.java

public static void insertSeparators(Editable s) {
    final int[] positions = {4, 9, 14 };
    for (int i : positions) {
        if (s.length() > i) {
            s.insert(i, SEPARATOR);
        }
    }
}

源代码15 项目： android-discourse 文件： EditorFragment.java

private void markdownCode() {
    final EditText et = mContentET;
    Editable editable = et.getText();
    int start = et.getSelectionStart();
    if (et.hasSelection()) {
        int end = et.getSelectionEnd();
        editable.insert(end, CODE);
        editable.insert(start, CODE);
        et.setSelection(start + 1, end + 1);
    } else {
        editable.insert(start, CODE2);
        et.setSelection(start + 1);
    }
}

源代码16 项目： iBeebo 文件： RepostWeiboWithAppSrcActivity.java

protected void insertTopic() {
    int currentCursor = mEditText.getSelectionStart();
    Editable editable = mEditText.getText();
    editable.insert(currentCursor, "##");
    mEditText.setSelection(currentCursor + 1);
}

源代码17 项目： imsdk-android 文件： PbChatActivity.java

@Override
public void onTextAdd(String content, int start, int length) {
    Editable edit = edit_msg.getEditableText();
    edit.insert(start, content);
}

源代码18 项目： credit_card_lib 文件： CreditCardBaseTextWatcher.java

protected void insertSpace(Editable editable, int index, char ch) {
    if (Character.isDigit(ch) && TextUtils.split(editable.toString(), String.valueOf(SPACE)).length <= 3) {
        mIsChangedInside = true;
        editable.insert(index, String.valueOf(SPACE));
    }
}

源代码19 项目： iBeebo 文件： WriteWeiboWithAppSrcActivity.java

protected void insertTopic() {
    int currentCursor = mEditText.getSelectionStart();
    Editable editable = mEditText.getText();
    editable.insert(currentCursor, "##");
    mEditText.setSelection(currentCursor + 1);
}

源代码20 项目： TwistyTimer 文件： SolveTimeNumberTextWatcher.java

@Override
public void afterTextChanged(Editable s) {
    if (isFormatting)
        return;

    isFormatting = true;

    // Since the keyboard input type is "number", we can't punctuation with the actual
    // filters, so we clear them and restore once we finish formatting
    InputFilter[] filters = s.getFilters(); // save filters
    s.setFilters(new InputFilter[] {});     // clear filters


    // Clear all formatting from editable
    // Regex matches the characters ':', '.', 'h' and a leading zero, if present
    mUnformatted = s.toString().replaceAll("^0+|[h]|:|\\.", "");
    mLen = mUnformatted.length();

    s.clear();
    s.insert(0, mUnformatted);


    if (mLen <= 2 && mLen > 0) { // 12 -> 0.12
        s.insert(0, "0.");
    } else if (mLen == 3) { // 123 -> 1.23
        s.insert(1, ".");
    } else if (mLen == 4) { // 1234 -> 12.34
        s.insert(2, ".");
    } else if (mLen == 5) { // 12345 -> 1:23.45
        s.insert(1, ":");
        s.insert(4, ".");
    } else if (mLen == 6) { // 123456 -> 12:34.56
        s.insert(2, ":");
        s.insert(5, ".");
    } else if (mLen == 7) { // 1234567 -> 1:23:45.67
        s.insert(1, "h");
        s.insert(4, ":");
        s.insert(7, ".");
    } else if (mLen == 8) { // 12345678 -> 12:34:56.78
        s.insert(2, "h");
        s.insert(5, ":");
        s.insert(8, ".");
    }

    isFormatting = false;

    // Restore filters
    s.setFilters(filters);
}